added jquery 1.9.1 to the package.  this allows for fully offline development
added sym links for default version of jquery; updated bootstrap_base to the flask hosted version if BOOTSTRAP_JQUERY_STATIC is set to true
setting the default value of BOOTSTRAP_JQUERY_STATIC
moved created boilerplate_ blocks for head, body and script.  generally, a user will not override these.  the blocks that the user should modify are now more obviously named